"PC to Phone" works by downloading client software to have your PC. Once you have installed or loaded the client softwareyou enter the phone number and your voice and dial signals travel over the Internet directly to a phone in someone's home or office. Most PC to Phone services clearly identify where you can call for free.
Requirements: Sound Card, Headphones or external speakers, Microphone, Internet connection 64 Kbps +
Features: Call anywhere from any PC in the world, Rates only depend on destination and not on your location, No connection fees, no setup fees and no monthly fees, Simple online management: Instant funding and call history view